echarts海南岛显示过小解决

//判断是否海南省
    if(hainan=='海南'){
        option.series[0].center = [109.844902, 19.0392];
        option.series[0].layoutCenter = ['35%', '50%'];
        option.series[0].layoutSize = "500%";
    } else { //非显示海南时，将设置的参数恢复默认值
      option.series[0].center = undefined;
      option.series[0].layoutCenter = undefined;
      option.series[0].layoutSize = undefined;
}